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432421142 = 21075320107
BaseRepresentation
bin11001110001100…
…011100100010110
31010010200021021212
4121301203210112
51341144434032
6110524141422
713500343016
oct3161434426
91103607255
10432421142
112020aa44a
12100997872
136b7835ca
1441603c46
1527e69bb2
hex19c63916

432421142 has 8 divisors (see below), whose sum is σ = 648724296. Its totient is φ = 216179712.

The previous prime is 432421141. The next prime is 432421147. The reversal of 432421142 is 241124234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432421141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11453 + ... + 31559.

It is an arithmetic number, because the mean of its divisors is an integer number (81090537).

Almost surely, 2432421142 is an apocalyptic number.

432421142 is a deficient number, since it is larger than the sum of its proper divisors (216303154).

432421142 is a wasteful number, since it uses less digits than its factorization.

432421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30862.

The product of its digits is 1536, while the sum is 23.

The square root of 432421142 is about 20794.7383248744. The cubic root of 432421142 is about 756.1982009281.

Adding to 432421142 its reverse (241124234), we get a palindrome (673545376).

The spelling of 432421142 in words is "four hundred thirty-two million, four hundred twenty-one thousand, one hundred forty-two".

Divisors: 1 2 10753 20107 21506 40214 216210571 432421142